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Primary Carburetor Metering Rod. The Edelbrock 1939 .039 Rod Pre-75 regulates fuel flow in the primary circuit of carburetors. This component improves engine performance by precisely metering fuel delivery, which is essential for optimal combustion. It plays a key role in tuning and maintaining carburetors to achieve better throttle response and fuel efficiency.
_x000D__x000D_Construction and Appearance. Made from brass, this metering rod features durable construction with a polished finish, ensuring consistent performance. It measures 3.150 inches in length, providing a precise fit and reliable operation within the carburetor's fuel circuit.
_x000D__x000D_Installation. Installation is straightforward and requires no special tools or drilling. It directly replaces the original metering rods in compatible carburetors without modification, making it suitable for both professional mechanics and experienced enthusiasts.
_x000D__x000D_Warranty. This product includes a 12-month warranty.
_x000D__x000D_Application. Designed specifically for use with Edelbrock and GM Rochester QuadraJet carburetors, model 4MV, from 1974 and earlier. This product is not compatible with computer-controlled carburetors or any models manufactured after 1974.
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